/Engine/Plugins/Developer/Concert/ConcertSync/ConcertSyncCore/Source/ConcertSyncCore/Public/ConcertSyncSessionDatabase.h
Enumerate all the activities in this database in the given range.
True if the activities were enumerated without error, false otherwise.
bool EnumerateActivitiesInRange ( const int64 InFirstActivityId, const int64 InMaxNumActivities, [FIterateActivityFunc](API\Plugins\ConcertSyncCore\FIterateActivityFunc) InCallback ) const